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http://hdl.handle.net/10773/13356
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DC Field | Value | Language |
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dc.contributor.author | Gonçalves, João M. | pt |
dc.contributor.author | Gomes, Diogo | pt |
dc.contributor.author | Aguiar, Rui | pt |
dc.date.accessioned | 2015-02-05T15:22:36Z | - |
dc.date.available | 2015-02-05T15:22:36Z | - |
dc.date.issued | 2012 | - |
dc.identifier.isbn | 978-1-4577-2053-6 | - |
dc.identifier.issn | 1550-3607 | - |
dc.identifier.uri | http://hdl.handle.net/10773/13356 | - |
dc.description.abstract | As personal information and context sharing applications gain traction more attention is drawn to the associated privacy issues. These applications address privacy using an unsatisfactory {"}whitelist{"} approach [1] [2], similar to social networks {"}friends{"}. Some of them also link location publishing with user interaction which is also a form of privacy control - the user has to explicitly say where he is. There are a few automatic location based-services (LBS) that track the user [3], but without more adequate privacy protection mechanisms they enable even bigger threats to the user. On previous work, an XMPP-based Context Distribution Architecture was defined [4], more suitable for the distribution of frequently changing context than other systems because it is based on the publish-subscribe pattern. In this paper the authors present an extension to this architecture that allows for the introduction of a complex degree of access control in context distribution. The devised changes enable the system to consider a number of interesting context privacy settings [1] for context distribution control. Also, this control must be enforced in a way that it doesn't interfere with the real-time nature of the distribution process. After describing the enhancements to the architecture, a prototype of the system is presented. Finally, the delivery latency and additional processing introduced by the access control components is estimated by testing it against the existing system. | pt |
dc.language.iso | eng | pt |
dc.publisher | IEEE | pt |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/257493 | pt |
dc.rights | openAccess | por |
dc.subject | Access control | pt |
dc.subject | Context | pt |
dc.subject | Latency | pt |
dc.subject | Privacy | pt |
dc.title | Low-latency privacy-enabled Context Distribution Architecture | pt |
dc.type | conferenceObject | pt |
dc.peerreviewed | yes | pt |
ua.publicationstatus | published | pt |
ua.event.date | 10-15 junho, 2012 | pt |
ua.event.type | conference | pt |
degois.publication.firstPage | 1917 | pt |
degois.publication.lastPage | 1922 | pt |
degois.publication.title | 2012 IEEE International Conference on Communications (ICC) | pt |
dc.identifier.doi | 10.1109/ICC.2012.6364027 | pt |
Appears in Collections: | DETI - Comunicações |
Files in This Item:
File | Description | Size | Format | |
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06364027.pdf | 629.26 kB | Adobe PDF | View/Open |
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